Introduction to electromagnetic waves Electromagnetic radiation is one of the many ways that energy travels through space. The heat from a burning fire, the light from the sun, the X-rays used by your doctor, as well as the energy used to cook food in a microwave are all forms of electromagnetic radiation. While these forms of energy might seem quite different from one another, they are related in that they all exhibit wavelike properties. Waves are simply disturbances in a particular physical medium or a field, resulting in a vibration or oscillation.
Characteristics of particles of Matter: The important characteristics of particles of matter are the following: The particles of matter are very, very small. The particles of matter have space between them. The particles of matter are constantly moving.
The particles of matter attract each other.
The particles of matter are very, very small: The very, very small size of particles of matter can be shown by performing the following experiment by using potassium permanganate and water. Take crystals of potassium permanganate and dissolve them in ml of water in a beaker.
We will get a deep purple colored solution of potassium permanganate in water. Take out approximately 10 ml of this solution and put it into 90 ml of clear water in second beaker. Due to this dilution, the color of potassium permanganate solution in the second beaker becomes a bit lighter.
Take out 10 ml of this solution and put it into another 90 ml of clear water in third beaker. The color of solution will become still lighter.
Keep diluting the solution like this 5 to 8 times. In this way, we get a very dilute solution of potassium permanganate in water but the water is still colored. This experiment shows that just a few crystals of potassium permanganate can colour a large volume of water.
So we conclude that there must be millions of tiny particles in just one crystal of potassium permanganate, which keep on dividing themselves into smaller and smaller particles. The particles of matter have space between them: The spaces between the particles of matter can be shown by performing the following experiment by using water and sugar.
Take a ml beaker. Fill half the beaker with water and mark the level of water.Four on-lattice and six off-lattice models for active matter are studied numerically, showing that in contact with a wall, they display universal wetting transitions between three distinctive phases.
Jan 15, · This feature is not available right now. Please try again later. The important characteristics of particles of matter are the following: The particles of matter are very, very small.
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